FLT CTL Panel Flashcards
What does ELAC stand for?
Elevator Aileron Computer
How many ELAC’s on the Airbus?
2
What are the functions of the ELAC?
- Normal elevator
- Normal aileron
- Normal pitch and roll
- Alternate pitch
- Direct pitch and roll
- Abnormal alt
- Aileron droop
- Autopilot orders
Under Normal Law, what does ELAC 1 control?
- Primary - Aileron control (roll)
- Standby - Elevator / Stabilizer control (backs up ELAC 2)
- Provides 5° aileron droop
Under Normal Law, what does ELAC 2 control?
- Primary - Elevator / Stabilizer (pitch)
* Standby - Aileron control (backs up ELAC 1)
What backs up ELAC 2?
ELAC 1 -> SEC 2 -> SEC 1
What does SEC stand for?
Spoiler Elevator Computer
How many SEC’s are installed?
3
What functions are performed by the SEC’s?
- Normal roll (by controlling the spoilers)
- Speedbrakes and ground spoilers
- Alternate pitch (SEC 1 and SEC 2 only)
- Direct pitch (SEC 1 and SEC 2 only)
- Direct roll
- Abnormal attitude.
Under Normal Law, what do the 3 SEC’s control?
- Primary – Spoiler control (roll)
* Standby – Elevator / Stabilizer control (SEC 1 & 2 back up the ELAC’s)
What is the sole purpose of SEC 3?
Spoiler control
What does FAC stand for?
Flight Augmentation Computer
How many FAC’s are installed?
2
What are the functions of the FAC’s?
- Rudder Trim
- Rudder travel limit
- Yaw control
- Flight Envelope Protection – vertical
- Windshear Protection
- Low Energy Warning Protection
- Alpha Floor Protection
- PFD speed scale
Under Normal Law, what do the FAC’s provide (YAWL)?
- Yaw Control – Damping and turn coordination, rudder limiter, rudder trim)
- Airspeed Protection Computation (Alpha Prot, high / low limits, maneuvering speed, PFD speed scale)
- Windshear protection (Reactive windshear)
- Low Energy Warning Protection (“Speed, speed, speed”)